Home
Class 12
PHYSICS
Energy of 24.6 eV is required to remove ...

Energy of 24.6 eV is required to remove one of the electron from a neutral helium atom. The energy (in eV) required to remove both electrons from a neutral helium atom is

Text Solution

Verified by Experts

The correct Answer is:
D
`E = 24.6 + (13.6(2)^(2))/(1^(2)) = 79.0 eV`
Promotional Banner

Topper's Solved these Questions

  • SIMPLE HARMONIC MOTION

    ALLEN|Exercise Exercise-02|19 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN|Exercise Exercise- 3 Match The Column|1 Videos

  • SIMPLE HARMONIC MOTION

    ALLEN|Exercise SOME WORKED OUT EXAMPLES|29 Videos

  • RACE

    ALLEN|Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|24 Videos

  • TEST PAPER

    ALLEN|Exercise PHYSICS|4 Videos

Similar Questions

Explore conceptually related problems

An energy of 24.6 eV is required to remove one of that electrons from a neutal helium atom. The enegy (in eV )required to remove both the electrons from a netural helium atom is

The energy required to remove the electron from a singly ionized Helium atom is 2.2 times the energy required to remove an electron from Helium atom. The total energy required to ionize the Helium atom completely is:

The energy required to remove the electron from a singly ionized Helium atom is 2.2 times the energy required to remove an electron from Helium atom. The total energy required to ionize the Helium atom ompletelyis:

Highest amount of energy will be required for the removal of electron from

The energy ( in eV ) required to excite an electron from n = 2 to n = 4 state in hydrogen atom is

Assertion Energy E_(1) is required to remove first electron from helium atom and energy E_(2) is to required to remove the second electron . Them E_(1)ltE_(2). Reason Ionisation energy of single electron of He^(+) is 54.4 eV.

What is the energy required to remove an electron from second orbit of hydrogen atom ?

What is the energy required to remove an electron from second orbit of hydrogen atom ?

As per Bohr model , the minimum energy (in eV) required to remove electron from the ground state of doubly ioinized Li alom (Z = 3) is

If the binding energy of the electron in a hydrogen atom is 13.6 eV , the energy required to remove the electron from the first excited state of Li^(++) is

ALLEN-SIMPLE HARMONIC MOTION-Exercise-01
  1. In a hypothetivsl system, a particle of mass m and charge -3q is movin...

    Text Solution

    |

  2. The diagram to the right shows the lowest four energy levels for an el...

    Text Solution

    |

  3. Energy of 24.6 eV is required to remove one of the electron from a neu...

    Text Solution

    |

  4. A photon was absorbed by a hydrogen atom in its ground state and the e...

    Text Solution

    |

  5. The K(alpha) X-ray emission line of tungsten occurs at lambda = 0.02 n...

    Text Solution

    |

  6. Which of the following are the characterstics requried for the target ...

    Text Solution

    |

  7. The wavelength of K(alpha) line for an element of atomic number 43 "is...

    Text Solution

    |

  8. The Wavelengths of K(alpha) X - rays of two metals A and B are 4/(1875...

    Text Solution

    |

  9. On operating an X-ray tube at 1 kV. X-rays of minimum wavelength 6.22Å...

    Text Solution

    |

  10. In an X-rays tube, electrons striking a target are brought to rest, ca...

    Text Solution

    |

  11. Characteristics X-rays are produced due to

    Text Solution

    |

  12. The constant 'a' Mosely's law sqrt(v) = a(Z-b) for k(alpha)X-rays is r...

    Text Solution

    |

  13. Charateristic X-rays are not obtained in the spectrum of H-atom bacaus...

    Text Solution

    |

  14. For the decay of nucleus, the possible reason which is not true

    Text Solution

    |

  15. Assuming that 200MeV of energy is released per fission of uranium ato,...

    Text Solution

    |

  16. If the binding energy per nucleon in .(3)Li^(7) and .(2)He^(4) nuclei ...

    Text Solution

    |

  17. The mass of proton is 1.0073 u and that of neutron is 1.0087 u (u = at...

    Text Solution

    |

  18. The binding energy of deuteron is 2.2 MeV and that of H""(2)^(4)He is ...

    Text Solution

    |

  19. In an alpha -decay the Kinetic energy of alpha particle is 48 MeV and ...

    Text Solution

    |

  20. When a neutron is disintegrated, it has :-

    Text Solution

    |